Loudspeaker



FIG. 1 is a front perspective view of a loudspeaker showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side perspective view thereof, the left side being a mirror image;

FIG. 4 is an enlarged top plan view thereof; and,

FIG. 5 is an enlarged bottom plan view thereof. 

The ornamental design for a loudspeaker, as shown and described. 